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Predict a melting point if you combined and mixed 10 mg each of the three reference samples for solubility (naphthalene, benzoic acid and benzophenone). Provide a statement that supports your prediction.
Identify the chiral centers with asterisks and label each center as R or S.
lithium metal dissolves in water to yield hydrogen gas and aqueous lithium hydroxide what is final concentration of hydoxide ions when 5.5 g lithium metal is dropped into 750 mL of water
how many grams of the above product must be used to absorb heat. The emt happy vaporization for ethanol is 850j/g and water is 2360kj
An artist's statue has a surface area of 15 ft2. The artist plans to apply a gold plate coating to the statue and wants the coating to be 25 µm thick. How many grams of gold will be required for the
Name an element in the fourth period of the periodic table with a total of 4 4p electrons. Name an element in the fourth period of the periodic table with a total of 3 3d electrons Name an element in the fourth period of the periodic table with a ..
Triethylene glycol, the solvent for your first reaction, and heavy mineral oil are both high boiling, high molecular weight solvents.
When 1.00 L of water from the surface of the Dead Sea is evaporated, 179 g of MgCl2 is recovered. What is the molarity of MgCl2 in the original sample
an aqueous solution of cacl2 has a vapor pressure of 84.0mmhg at 50 c . the vapor pressure of pure water at this
lead(II) sulfide was once used in glazing earthenware. It will react with hydrogen peroxide to form lead (ii) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265g of lead(ii) sulfide?
Based on the given ion concentration for water below,what is the alkalinity (in mg/L as CaCO3)Note :the ion concentration s in the table below are NOT given in mg/l as CaCO3.
A solution is prepared by adding 3.24 grams of an unknown compound to 217 g of cyclohexane (C6H12). This solution freezes at 3.8C. Calculate the molar mass of the compound.
Calculate the final concentration of solute when 25.0 mL of 3.0 M of carbose solution and 37.0 mL of 2.5 M carbose solution are mixed
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